Best guess N. texanus, but I don't expect a concrete ID from this photo.
Biology Department Float Trip.
http://taibnet.sinica.edu.tw/chi/taibnet_species_detail.php?name_code=347083
There are a pair.
Tongue has formed outside of the buccal cavity. Still eats fine (image three).
אודות
עזרה
פורום
משרות
כללי הקהילה
תנאי שימוש
פרטיות